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Arkema Group KYNAR FLEX® 2850-07 Polyvinylidene Fluoride Copolymer - Extrusion & Molding

Category Polymer , Thermoplastic , Fluoropolymer , PVDF , Polyvinylidinefluoride (PVDF), Molded/Extruded
Manufacturer Arkema
Trade Name KYNAR FLEX®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Arkema Group KYNAR FLEX® 2850-07 Polyvinylidene Fluoride Copolymer - Extrusion & Molding.pdf
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Material Notes:
Characteristics: Natural resin - translucent, off-white hemispheres. 150°C Temperature rating. High stability in harsh thermal, chemical and ultraviolet environments. High toughness and mechanical strength, low permeability, abrasion resistance; high purityApplications:Chemical processing – production, storage and transfer of corrosive fluidsElectronics – protective sheathing, plenum and wiring insulationSemi-conductor industryFood stuff and Healthcare industriesTransportation – fuel line and pipe, thermoformed body componentsInformation provided by Arkema Inc.
Physical Properties Metric English Comments
Specific Gravity 1.77 - 1.80 g/cc
1.77 - 1.80 g/cc
ASTM D792
Bulk Density 0.961 g/cc
0.0347 lb/in³
Water Absorption 0.030 - 0.050 %

@Time 86400 sec
0.030 - 0.050 %

@Time 24.0 hour
Immersion; ASTM D570
Viscosity 1.60e+6 - 2.00e+6 cP

@Shear Rate 100 1/s,
Temperature 232 °C
1.60e+6 - 2.00e+6 cP

@Shear Rate 100 1/s,
Temperature 450 °F
Melt Viscosity; ASTM D3835
Melt Flow 10 - 20 g/10 min

@Load 12.5 kg,
Temperature 232 °C
10 - 20 g/10 min

@Load 27.6 lb,
Temperature 450 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Shore D 70 - 75
70 - 75
ASTM D2240
Tensile Strength at Break 27.0 - 48.0 MPa
3920 - 6960 psi
ASTM D638
Tensile Strength, Yield 31.0 - 41.0 MPa
4500 - 5950 psi
ASTM D638
Elongation at Break 200 - 400 %
200 - 400 %
ASTM D638
Elongation at Yield 5.0 - 15 %
5.0 - 15 %
ASTM D638
Tensile Modulus 1.034 - 1.517 GPa
150.0 - 220.0 ksi
ASTM D638
Flexural Strength 20.0 - 34.0 MPa

@Strain 5.00 %
2900 - 4930 psi

@Strain 5.00 %
ASTM D790
Flexural Modulus 1.034 - 1.241 GPa
150.0 - 180.0 ksi
ASTM D790
Compressive Strength 41.0 - 58.0 MPa
5950 - 8410 psi
ASTM D695
Izod Impact, Notched 1.07 - 4.27 J/cm
2.00 - 8.00 ft-lb/in
ASTM D256
Izod Impact, Unnotched >= NB
>= NB
ASTM D256
Coefficient of Friction, Dynamic 0.19
0.19
vs. steel; ASTM D1894
Coefficient of Friction, Static 0.26
0.26
vs. steel; ASTM D1894
Taber Abrasion, mg/1000 Cycles 6.0 - 9.0
6.0 - 9.0
1000 g pad; CS-17
Thermal Properties Metric English Comments
CTE, linear 126 - 185 µm/m-°C
70.0 - 103 µin/in-°F
ASTM D696
Specific Heat Capacity 1.17 - 1.51 J/g-°C
0.280 - 0.360 BTU/lb-°F
DSC
Thermal Conductivity 0.144 - 0.180 W/m-K
1.00 - 1.25 BTU-in/hr-ft²-°F
ASTM D433
Melting Point 155 - 160 °C
311 - 320 °F
Deflection Temperature at 0.46 MPa (66 psi) 60.0 - 75.0 °C
140 - 167 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 38.0 - 55.0 °C
100 - 131 °F
ASTM D648
Glass Transition Temp, Tg -40.0 - -38.0 °C

@Frequency 1.00 Hz
-40.0 - -36.4 °F

@Frequency 1.00 Hz
DMA
Decomposition Temperature 375 °C
707 °F
1% wt loss / in air; TGA
410 °C
770 °F
1% wt loss / in nitrogen; TGA
Flammability, UL94 V-0
V-0
Oxygen Index 43 %
43 %
ASTM D2868
75 %
75 %
optional products; ASTM D2868
Electrical Properties Metric English Comments
Volume Resistivity 2.00e+14 ohm-cm

@Temperature 20.0 °C
2.00e+14 ohm-cm

@Temperature 68.0 °F
65% RH; ASTM D257
Dielectric Constant 3.5

@Frequency 1.00e+8 Hz
3.5

@Frequency 1.00e+8 Hz
ASTM D150
10.2

@Frequency 100 Hz
10.2

@Frequency 100 Hz
ASTM D150
Dielectric Strength 51.2 - 63.0 kV/mm
1300 - 1600 kV/in
ASTM D149
Dissipation Factor 0.010 - 0.22

@Frequency 100 Hz
0.010 - 0.22

@Frequency 100 Hz
ASTM D150
Processing Properties Metric English Comments
Rear Barrel Temperature 195 - 220 °C
383 - 428 °F
Tube Extrusion
Middle Barrel Temperature 210 - 240 °C
410 - 464 °F
Tube Extrusion
Front Barrel Temperature 210 - 240 °C
410 - 464 °F
Tube Extrusion
Die Temperature 210 - 250 °C
410 - 482 °F
Tube Extrusion
Head Temperature 210 - 240 °C
410 - 464 °F
Tube Extrusion
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